
The normal range of tire pressure for SUVs is approximately 2.2 to 2.5 bar. Below is relevant knowledge about tire pressure: 1. Concept of tire pressure: Strictly speaking, tire pressure refers to the air pressure inside the tire. In terms of car maintenance, the engine is the heart of the car, and its damage will lead to the end of the car's life. Similarly, tire pressure is the blood pressure of the car, and its level has a crucial impact on the car's performance and power. 2. Relationship between tire pressure and load capacity: Tire pressure is an indicator of a car's load capacity. The size of the car's load depends on the level of tire pressure. According to the relationship between the tire's load index, tire pressure, and load capacity, the higher the tire pressure, the greater the load capacity; the lower the pressure, the smaller the load capacity. For example, for a tire with a load index of 80, when the pressure is 0.15 MPa, the load capacity is 300 kg, and when the pressure is 0.25 MPa, the load capacity becomes 450 kg. This shows that tire pressure has a significant impact on the car's load capacity.

I remember when I drove an SUV, the normal tire pressure range was generally between 30 to 35 PSI, depending on your vehicle model and tire type. The safest approach is to check the label on the driver's side door or the owner's manual, as it may vary between different SUVs. If the tire pressure is too low, the tires can overheat and blow out, which is unsafe at high speeds; if it's too high, ride comfort decreases and the tread wears out faster. I check mine every month using an inexpensive tire pressure gauge when the tires are cold. If carrying heavy loads, like for a family trip with luggage, you can slightly increase the pressure to around 35 PSI. Weather changes also affect tire pressure—you might need 1-2 PSI more in winter and less in summer. Maintaining proper tire pressure helps save fuel and extends tire life.

When using an SUV to pick up and drop off my kids, I pay special attention to tire pressure because it affects the safety of the whole family. The normal range is 32 to 35 PSI, but the exact value can be found on the door sticker. Low tire pressure makes the car feel sluggish and increases fuel consumption, while too high pressure makes the suspension stiff and the ride uncomfortable. I usually check the tire pressure weekly at the self-service air pump at gas stations—it's quick and convenient. If the tire pressure is abnormal, the SUV may feel unstable when turning, especially in snowy conditions, which is more dangerous. It's recommended to adjust the pressure to the upper limit, such as over 35 PSI, when carrying heavy loads, but never exceed the tire's maximum rating. Additionally, it's important to have a mechanic check the tire pressure during regular maintenance—after all, tires are the legs of the car, and safety comes first.

When repairing cars, I often encounter SUV tire pressure issues. The normal range should be between 30 to 35 PSI. If it's too low, the tire edges wear out quickly and may bulge; if it's too high, the grip decreases and emergency braking distance increases. You can easily check it at home with a simple tire pressure gauge, and it's most accurate when the car is cold. If the tire pressure remains unstable, it might be due to a nail puncture or a leaking valve that needs repair. Maintaining proper tire pressure can save fuel and protect the suspension system.


